Home / 4,735.40-7,103.12-1,272.65

Finding the Fourth Proportional to 4,735.40, 7,103.12 and 1,272.65

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Solution

The fourth proportional to 4,735.40, 7,103.12 and 1,272.65 is: 1,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.40 : 7,103.12 = 1,272.65 : x
  2. Step 2: Convert to fraction form
    4,735.40/7,103.12 = 1,272.65/x
  3. Step 3: Cross multiply
    4,735.40x = 7,103.12 × 1,272.65
  4. Step 4: Simplify right side
    4,735.40x = 9,039,743.79
  5. Step 5: Solve for x
    x = 9,039,743.79/4,735.40
  6. Step 6: Final answer
    x = 1,908.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.